Gasoline smell on the cold start...

Hello community,

Saturday I wanted to move the (R)Audi and immediately after the start it smelled like gasoline. I left it and wanted to check it out today.

So started, trunk in the engine compartment and sniffed around. In the corner of the two gas lines, it smells like gas. However, none of the lines leak. The HD line (as far as I could see) is still dry even after several ignitions.

Where could that come from?

I'll take the disguises off and look a little more closely. Maybe someone can give me a rough search direction? When it was still so unbearably warm, I had not smelled it. Now that it's colder, he's starting.

But if it's one of the two lines... Can the "problemless" be expanded and resealed accordingly?